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I bought a howards retrofit hydraulic roller for my SBC, that card also said zero lash and tick tick tick tick. Hydraulic solids are set at zero, at temp you get .006 squish. Hellcat lifters are all solids. Just by definition, they cannot be the same. I just got another 2011 from Auction...

When I am at my wits end, I go where I should not go. This is the problem, Starts fine, runs fine. 1500 to wherever I want to go raped ape. get home to park it and tick tick tick tick. I am about to get a plastic bag and 6 cans of spray foam to make sure I am not just hearing the noisy fuel...

I highly doubt this makes sense to most thinking, but I am struggling with a 5.7 hemi. What I ended up doing was using the pushrod length checker, starting with the zero lash measurement, then kept going until the valve opened. I was shocked to find the lifter opened the valve with only .139...

We did swap to eagle pistons. I guess I just need to know if these engines are generally noisy at idle. Just humms when the loud pedal is mashed and absolutely no missing power at all. Just figure to live with the noise until it breaks before changing the cam all over again.

I know you were not asking me. These were manifolds from a ram and it just took the bigger flange and a couple of short curves. This is the harder passenger side.

So, decided to shim the rocker stands to see if the clearance was the issue. I probably hurt myself again, but since I was compressing the oil out of the lifters I checked, I pulled the fuel pump fuse and spun the motor over just trying to be safe and getting oil back in the lifters. Put the...

so, exhaust pushrods are supposed to be 8.080. Do the measurement and it is 7.980, so 8.080 would be .100. Try to check the work. Keep tightening the pushrod checker until the exhaust valve remains open, turn it back to close, measurement is 8.119. That gives me .134 travel in the lifter. Does...

Problem being I never checked it hot when the noise starts and now have the coils and valve covers back off which is not an easy task. I was expecting the rockers to be loose, but again, it gets loud when it's hot. So the head expanding makes more sense. I just thought it would be interesting...

With the Ethos on it, read 75-85. Its the new High volume Melling pump that is supposed to fix these issues on a 145K mile motor. I just knew the problem area of these 2007 blocks were losing pressure when idling for a long time, which is where this started, just let it run and hear it make...

ok, 3 days in, second set of pushrod length checkers purchased....... you would think that when you cannot get your fingers in to adjust it, that you might be able to get a wrench on it, but nope. So, you search Morel on the internet to get a customer service number, and it goes to Callies, who...

Have barely driven this, but it is fun when I do drive it. Sounds great at start up, the longer I drive, the louder it gets. Seeing where some have gone to a 8.125 pushrod on the exhaust. but it sure sounds more like an oiling issue than lifter tick problems. Thought maybe the PVC system was not...

Morel is embossed on the composite holders and and laser etched on the lifters with their part number.

I finally got brave enough to cut the tape on the enginetech lifters, since the tape on the box said no returns after this is open and was happy to see they sourced their parts from Morel now, so maybe they heard about the problems and went somewhere else. I always thought Morels were one of the...

Its what I have been doing on Rockauto. check the 07 parts, then check 2012 and then 2020, from Enginetech to Ultrapower all show the same MDS lifter as a replacement, just like the rods are the same, head bolts are the same. I just figure the same people are making these lifters as any of the...

Yes, that is the main reason, planned on keeping the cam, well other than not 100% sure my snap on can turn off MDS without also having to pay someone to do that too. I was under the impression that Hellcat was high performance and did not have the MDS system since any performance lifter from...

The deals on the oem parts were bulk packaged, so who knows what you get. The suggestion is hellcat lifters but that would be deleting the MDS anyway. So I am already in the hole since the ultra power are always out of stock and got enginetech. But then again, I can't tell you who's lifters are...

so update, (it says this is the last post even thought I thought I questioned this already) new piston and 4 rods in, new timing set, heavy duty tensioner whatever that does with the stiffer spring, new high volume oil pump, had one valve guide sucked up in the head due to too much carbon on the...

Getting exhausting. Got these supposedly 70K mile eagle heads, finally have the short block back together so moving to the heads. Decided to pull the valves to check the seats, clean the valves and lapp since I dont know how these were sitting, like open valves after someone bought the intake...

I will probably feel differently when the rest of the parts show up, just bummed that I can probably only assemble 4 pistons and install, while waiting for rods and the oil pan gasket. The timing set and melling high volume oil pump is here to feed the lifters, I am at the point I know I should...

Its just turning into a big black money hole right now. I will drop a few thousand into our camaro project that never ends but so far its pistons, heads, gaskets, turned into 4 rods, push rods now since pre eagle are too short, intake that I expected but not getting a 6.1 aluminum for 5-600...

no EGR on a later model, interesting. Dealing with valve seat issues, so I have to change the intake, mainly since 3 other cylinders have piston damage there is most likely more in the intake. Guess I need to research more. I am in Illinois so they wont test a vehicle if the check engine light...

What do you do for egr since the old heads have it cast in?

Did not want to start another thread about this, but is there an aftermarket piston you can buy to reduce the compression enough to use the post 2009 heads? Maybe just buying 2010 heads and 2010 pistons? Edelbrocks are 1500 a piece so no thanks on that one. We are dealing with an 07, one intake...

didnt you see the Chevelle he had built for NPK's? Easily a 300K car. He just placed an order, no build for him. These are pro mods, full tube chassis, best of the best of everything. That is the other thing, these guys are not building, they are buying. I got the Ryan Martin Chevelle, teams...

Can also verify that temp sensor is staying wet all the time. We ditched the sniper for sequential. I cannot understand how you open the throttle blades for initial start up and then go back to zero when you verify.

Was this the episode they ruined the hot rod garage hemi? Lash are specs used for the lifter to pump oil

Just saw a guy on ebay selling the real Mopar Lifters made in Germany for 649, right under people selling lifters, cam, oil pump, timing chain set, full gasket set, water pump for between 396 and 738. The interesting part is him saying that the MDS lifters are 2 solid roller lifters and 2 MDS...

That is my understanding, install plugs and change the ECN. I am sticking with the answer of the poster who has seen as many failures either way. The problem is that when you look at the good stuff, example, the melling kit or comp cams kit, they are MDS delete. All I can find are no names or...

yes, I understand. But you have a truck with 150 plus that never got a lifter job, I highly doubt its going to be the one survivor.

it seems like the thick oil is the problem, the 0 5 or 10 is the cold weight when there is buku oil pressure, when the oil heats and gets to 30 or 40, the idle oil pressure drops to 15-20.